0 a mathematical ratio (= a relationship between numbers) of approximately 1.6, which is often found in the sizes of things in nature and in art and architecture:
The proportions of the illustrations are based on the golden ratio, like many figures in Leonardo's compositions.
I want my students to look at a tree and think of the leaf patterns and the golden ratio.
He came up with a concept that was different - yet it was a classical design with all the golden ratios.
Two quantities or shapes are in the golden ratio if the ratio of their sum to the larger quantity is the same as the ratio of the larger quantity to the smaller one.
The golden ratio has fascinated mathemeticians and architects for thousands of years, because the proportions it represents can be found in both simple and complex ways throughout nature.
The so-called Golden Ratio represented the universal law of harmony in classical architecture, sculpture and painting.
The Fibonacci number series holds a Golden Ratio that is universally found in nature and used by architects, plastic surgeons, and many others.
Stock prices seem to have a life of their own and follow the rules of Fibonacci ratios closely in their movements.